2-Chlorobenzylidene malononitrile

2-氯苯亚甲基丙二腈

Also known as: CS gas, o-Chlorobenzylidene malononitrile, 2-(2-Chlorobenzylidene)malononitrile, [(2-Chlorophenyl)methylene]malononitrile, 2-(2-Chlorophenyl)-1,1-dicyanoethylene, β,β-Dicyano-o-chlorostyrene, 2-Chlorobenzalmalononitrile, o-Chlorobenzalmalononitrile, CS (lacrimator), CSGAS, Propanedinitrile, [(2-chlorophenyl)methylene]-

2-Chlorobenzylidene malononitrile (CAS 2698-41-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H5ClN2 and a molecular weight of 188.613 g/mol. It is also known as CS gas, o-Chlorobenzylidene malononitrile and 2-(2-Chlorobenzylidene)malononitrile. Key properties include a melting point of 95ºC, a boiling point of 312.5±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 148.0±18.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2698-41-1

Jingsj CID

J-1991784-9

Molecular Formula

C₁₀H₅ClN₂

Chinese Name

2-氯苯亚甲基丙二腈

Molecular Weight

188.613 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026